package com.goodmr.passport.util;

/**
 * 字符串工具包
 *
 * @author <a href="mailto:bingdong13@msn.com">bigo</a>
 */
public final class StringUtil {

    public static String upperCase(String str) {

        char[] ch = str.toCharArray();
        if (ch[0] >= 'a' && ch[0] <= 'z') {
            ch[0] = (char) (ch[0] - 32);
        }

        return new String(ch);
    }
}
